gov.nist.javax.sip.parser.RecordRouteParser Maven / Gradle / Ivy
/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain. As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY. NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
package gov.nist.javax.sip.parser;
import gov.nist.javax.sip.header.RecordRoute;
import gov.nist.javax.sip.header.RecordRouteList;
import gov.nist.javax.sip.header.SIPHeader;
import java.text.ParseException;
/**
* Parser for a list of route headers.
*
* @version 1.2 $Revision: 1.9 $ $Date: 2009-07-17 18:58:03 $
*
* @author Olivier Deruelle
* @author M. Ranganathan
*
*/
public class RecordRouteParser extends AddressParametersParser {
/**
* Constructor
* @param recordRoute message to parse to set
*/
public RecordRouteParser(String recordRoute) {
super(recordRoute);
}
protected RecordRouteParser(Lexer lexer) {
super(lexer);
}
/**
* parse the String message and generate the RecordRoute List Object
* @return SIPHeader the RecordRoute List object
* @throws ParseException if errors occur during the parsing
*/
public SIPHeader parse() throws ParseException {
RecordRouteList recordRouteList = new RecordRouteList();
if (debug)
dbg_enter("RecordRouteParser.parse");
try {
this.lexer.match(TokenTypes.RECORD_ROUTE);
this.lexer.SPorHT();
this.lexer.match(':');
this.lexer.SPorHT();
while (true) {
RecordRoute recordRoute = new RecordRoute();
super.parse(recordRoute);
recordRouteList.add(recordRoute);
this.lexer.SPorHT();
char la = lexer.lookAhead(0);
if (la == ',') {
this.lexer.match(',');
this.lexer.SPorHT();
} else if (la == '\n')
break;
else
throw createParseException("unexpected char");
}
return recordRouteList;
} finally {
if (debug)
dbg_leave("RecordRouteParser.parse");
}
}
}